APL3203A_11 Datasheet, PDF (9/20 Pages) Anpec Electronics Coropration – Li+ Charger Protection IC

APL3203A/B/C
Pin Description
PIN
NO.
NAME
1
IN
2
GND
3
NC
4
FAULT
5
EN
6
BAT
7
ILIM
8
OUT
-
EP
FUNCTION
Power Supply Input.
Ground.
No Connection.
Fault Indication Pin. This pin goes low when input OVP, OCP, or battery OVP is detected.
Enable Input. Pull this pin to high to disable the device and pull this pin to low to enable device.
Battery OVP Sense Pin. Connect to positive terminal of battery through a resistor.
Over-current Protection Setting Pin. Connect a resistor to GND to set the over-current threshold.
Output Voltage Pin. The output voltage follows the input voltage when no fault is detected.
Exposed Thermal Pad. Must be electrically connected to the GND pin.
Block Diagram
IN
FAULT
POR
Charge
Pump
0.5V
Gate Driver and
Control Logic
OTP
EN
1.2V
1V
OUT
ILIM
BAT
GND
Copyright © ANPEC Electronics Corp.
9
Rev. A.3 - Jul., 2011
www.anpec.com.tw